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Ultra-fine silicone microemulsion with stable particle size distribution below 100 nm.
Excellent compatibility with water-based systems, including acrylics, vinyl acetate copolymers, and cellulose derivatives.
Provides superior surface lubricity and slip without compromising film clarity or adhesion.
Low VOC formulation compliant with global regulatory requirements for architectural and industrial coatings.
Enhanced hydrophobicity and water repellency after film formation, improving substrate protection.
Architectural interior and exterior latex paints for improved scrub resistance and stain release.
Industrial maintenance coatings requiring enhanced mar resistance and surface smoothness.
Textile finishing agents for soft hand feel and durable water repellency on cotton and blends.
Wood coatings and stains to improve leveling, reduce surface tension, and minimize orange peel.
Adhesives and sealants where silicone functionality must be integrated without phase separation.
| Chemical Type | Dimethyl silicone fluid microemulsion |
| Product Form | Aqueous microemulsion (non-ionic) |
| Appearance | Clear, slightly opalescent liquid |
| pH (1% aqueous solution) | 6.0 – 7.5 |
| Active Content (wt%) | 30 ± 1% |
| Density (25°C, g/cm³) | 0.99 – 1.01 |
| Viscosity (25°C, mPa·s) | 5 – 15 (Brookfield, spindle #1, 6 rpm) |
| Freeze-Thaw Stability | Stable after three cycles (-10°C/24 h → 25°C/24 h) |
Q1: What is the primary function of DOWSIL CE-1874 in water-based formulations?
A: DOWSIL CE-1874 is a stable silicone microemulsion designed to provide surface modification, foam control, and enhanced substrate wetting in aqueous systems—particularly in architectural coatings, industrial maintenance paints, and water-based inks.
Q2: Is DOWSIL CE-1874 compatible with common water-based polymer systems?
A: Yes, it demonstrates broad compatibility with acrylics, vinyl acetate copolymers, styrene-butadiene emulsions, and other anionic and nonionic latex systems. Compatibility should be confirmed via small-scale formulation testing under intended processing and storage conditions.
Q3: How should DOWSIL CE-1874 be incorporated into a formulation?
A: It is typically added during the let-down stage, after pigment grinding and before thickener addition. Gentle mixing is recommended to avoid excessive shear or air entrapment. Pre-dilution with water may improve dispersion uniformity in sensitive systems.
Q4: Does DOWSIL CE-1874 require pH adjustment for optimal stability?
A: The microemulsion is formulated to remain stable across a typical application pH range of 6–9. Significant deviations outside this range—especially strong acidity or alkalinity—may affect long-term colloidal stability and should be evaluated experimentally.
Q5: Can DOWSIL CE-1874 be used in applications requiring low VOC content?
A: Yes—it is a water-based, solvent-free silicone microemulsion with negligible VOC contribution, supporting compliance with low-VOC regulatory frameworks and sustainability goals in architectural and industrial coatings.
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E-mail: wangxingqiang@ericwchem.com
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